federal return was not accepted message reads "one or more entries in your tax return require correction.

federal return was not accepted message reads "one or more entries in your tax return require correction. the data entered is either invalid, or mandatory information is missing. if you are unable to resolve the issues , pleae contact software provider

the above error message came up when  netfile was attempted . i looked over returns  both mine and my wifes . tried to file each one and neither would send both got the same message

i have been using turbo tax for years with no issues previously. what are my next steps for correction so i can netfile